 |
| |||
| carburante alternativo; combustível alternativo | |||
| combustible de substitution: 4 phrases in 4 subjects |
| Electronics | 1 |
| Environment | 1 |
| Natural sciences | 1 |
| Waste management | 1 |
|
| |||
| carburante alternativo; combustível alternativo | |||
| combustible de substitution: 4 phrases in 4 subjects |
| Electronics | 1 |
| Environment | 1 |
| Natural sciences | 1 |
| Waste management | 1 |